lactose

Valid in Scrabble

Pronunciation

/ˈlæk.təʊs/ (UK)

See all 3 pronunciations

/ˈlæk.təʊs/ (UK) · /ˈlæk.təʊz/ (UK) · /ˈlæk.toʊs/ (US)

Definition of lactose

1 sense · 1 part of speech · etymology included

noun

(countable, uncountable)The disaccharide sugar of milk and dairy products, C₁₂H₂₂O₁₁, a product of glucose and galactose used as a food and in medicinal compounds.

Definitions from Wiktionary, CC BY-SA.

Borrowed from French lactose, from Latin lac (“milk”) + -ose (derivation of glucose). Coined by French chemist Marcelin Berthelot.

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